Map information creating device, navigation system, information display method, information display program, and recording medium
US10234304B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 15, 2017 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Jun 24, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/29
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A map information navigation system includes: a storage unit that stores POI data including point data about a POI, node data of nodes set on roads in advance, and link data of links connecting neighboring nodes; a specification unit that specifies one link located at a shortest distance from the POI among the links for each of a plurality of directions; a determination unit that sets one of the nodes included in the specified links as a specific point and determines a predetermined area centered on the POI and passing through the specific point as a presentation target range of map information; an acquisition unit that acquires current position information indicating a current position; and a presentation unit that presents POI data including the point data about the POI with entrance of the current position into the presentation target range as a trigger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.